U.S. top court to review antitrust claims against American Express

WASHINGTON (Reuters) - The U.S. Supreme Court on Monday agreed to decide whether American Express Co is violating federal antitrust law by forbidding merchants that accept its credit cards from encouraging customers to use rival cards that charge lowe...

WASHINGTON (Reuters) - The U.S. Supreme Court on Monday agreed to decide whether American Express Co is violating federal antitrust law by forbidding merchants that accept its credit cards from encouraging customers to use rival cards that charge lower fees.